Basic characteristics of battery: Cell assembling: Assemble. Pack: Low Temperature Formed, Frame, Label, case, ultrasonic, case ultrasonic welding. Long cycle effect: used more than 500 cycles. Application: Notebook, P-DVD etc. Main Technical advantages and Product characteristics 1. High capacity, long cycle life, low self-discharge rate, and no memory effect. 2. 100% compatible with original battery. 3. All of packs have either the two-wire SMBUS or single-wire HDQ16 to communicate with the host device about voltage, capacity, cycle, self-discharge rate, current, and temperature. 4. Multiple protections. 5. Professional electronic engineering R& D team. 6. Automatic battery aging testing systems. 7. Welcome ODM/ OEM. Applications COMPAQ/ DELL/ IBM/ Toshiba/ Sony/ Acer/ HP/ and more.